1992 Mazda Truck Air conditioner only works on speeds one a

Tiny
B2600I 92
  • MEMBER
  • 1992 MAZDA TRUCK
  • 4 CYL
  • 4WD
  • MANUAL
  • 136,000 MILES
Hello,
my AC has always worked, but today the air works only on speeds one and two, but the fan does not blow on these speeds. The AC button is lit on speeds one and two. When you turn the fan to speeds three and four, the fan runs but light goes out on AC button. In the past when the fan does not run, I change the resistor block which fixes that issue. I have a couple back up resister blocks, but think this may have to do with a relay or something. The engine is a B2600i.
thank you for your help.
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Monday, June 2nd, 2008 AT 9:31 AM

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Tiny
B2600I 92
  • MEMBER
A new resistor block corrected the problem.
Fyi
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Tuesday, June 3rd, 2008 AT 9:11 AM

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